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Table 3 Adjusted odds ratios (OR) and confidence intervals (95% CI) for number of persons sharing the child's bedroom for cases of asthma and cases of infection compared with neighbourhood controls.

From: Crowding: risk factor or protective factor for lower respiratory disease in young children?

NEIGHBOURHOOD CONTROLS
  No. of persons sharing the child's bedroom *  
  < 4 ≥4 OR** (95% CI)
ASTHMA CASES    
No. of persons sharing the child's bedroom *    
   < 4 23 39 1.00
   ≥4 29 41 0.42 (0.21–0.87)
CASES OF INFECTION    
No. of persons sharing the child's bedroom *    
   < 4 15 13 1.00
   ≥4 30 28 2.50 (1.02–6.09)
  1. * number of case-control pairs ** adjusted for the same variables presented in Table 2 LRT: p = 0.001